//TODO 多个泛型参数的函数:函数中有多个泛型的参数
(()=>{
function getMsg<K,V>(value1:K,value2:V):[K,V]{
return [value1,value2]
}

const arr1 = getMsg<string,number>('Jack',12345.221)
    console.log(arr1[0].split(''))
    console.log(arr1[1].toFixed(1))
})()